121718B
Airpax Dimensions, Inc.
4467 White Bear Parkway
St. Paul, MN 55110-7626
(651) 653-7000
Fax (651) 653-7600
OWNERS MANUAL
JANUARY 2007
ISO 9001:2000 Certified Company
Airpax Dimensions, Inc.
DC to AC Power Inverters
OWNERS MANUAL for Model:
12Z8NV
24Z8NV
48Z8NV
Form 121718
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3. INSTALLATION
resultwhenconnectingthebatterywiringduetoan
initial charging of the internal input capacitor.
3.05.2 Use stranded copper wire between
the battery and inverter as indicated. A fuse must
be installed between the battery and the inverter.
U.L. requires that the fuse be within 18 inches of
the battery.
3.01 The following instructions should be
thoroughly read and understood before installa-
tion.
3.02 CAUTION: Inverters produce hazard-
ous voltages, to avoid risk of harm or fire the unit
must be properly installed.
CAUTION: Damage to the inverter will occur if
correct polarity is not observed when installing
the DC input cables.
DC Input Cable Lengths (maximum)
and Fusing Guide
CAUTION: Damage to the inverter will occur if
an external AC power source is applied to the
inverter’s AC receptacle cord.
CAUTION: Be sure the inverter's circuit breaker
or fuse (if needed) are turned "OFF" during
installation.
Distance(feet)
Model
1 to 20
6 Ga
Fuse
150A
100A
100A
12Z8NV
24Z8NV
48Z8NV
8 Ga
8 Ga
NOTE: All wiring must follow the National
Electric Code, Provincial, or other codes in effect
at the time of installation, regardless of sugges-
tions in this manual. All wires should be copper
conductors.
3.05.3 NOTE: Using smaller input cable
or longer length will greatly degrade the inverter
peak performance.
3.03 Mounting
IMPORTANT NOTE FOR VEHICLE
INSTALLATION: Do not use the vehicle chassis
as the negative return in place of a return cable.
Use the same size wire as the positive cable and
run directly to the battery.
3.05.4 Install the cables at the battery,
inverter and then fuse holder. Make sure that
clean, tightconnectionsaremade. Usecarenot
totouchthepositiveandnegativewirestogether.
Thiswillresultinaviolentsparkandcouldresultin
explodingbatteriesandfire.
3.05.5 The battery input terminals are at-
tached to the unit : Red (+) and Black (-) cable,
having 5/16" ring terminals. A spark may result
when connecting the battery wire, due to an initial
charging of the internal input capacitor.
3.05.6 CAUTION: Damage to the inverter
will occur if correct polarity is not observed. This
damage is NOT covered by warranty.
3.03.1
Locate a suitable, secure flat
mounting surface as close to the battery as
possible without being in the same air tight
compartment. The maximum recommended dis-
tance between the mounting location and the
battery is 20 feet. See DC Input Cable Lengths
chart.
3.03.2 The location should have adequate
ventilation and clearance to maintain room tem-
perature while the unit is operating. At least 1/2
inch of clearance is required on all sides.
3.03.3 Secure the unit with #8 or larger
screws or bolts in the mounting slots on the
flanges of the chassis.
3.04 Chassis Bonding Lug - FIG. 1
3.04.1 Connect a #8 gauge or greater cop-
per wire between the bonding lug on the inverter
and the earth grounding system or the vehicle
chassis.
3.06 Remote Switch for Inverter
3.05 Battery Wiring - FIG. 1
Operation - Fig. 1
3.05.1 CAUTION: Make sure that hydro-
gen gas does not accumulate near the battery by
keeping the area well ventilated. A spark may
3.06.1 All material used for the remote
switch should be U.L. listed and installed per low
Page 3
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voltage, Class 2, wiring code. The On/Off switch
and in-line fuse to be purchased locally at an
electrical supply outlet.
5.02.1 Connect a 100 watt light bulb to the
inverter output.
5.02.2
Make sure the inverter is turned
3.06.2 A 3 Amp rated remote switch must
be connected to the violet wire marked “Remote
On/Off” coming out at front of the inverter.
Connect the violet wire to the load side of the
remote switch. The line side of the switch must be
connected to the DC power source with a 3 Amp
fuse within 18" of the source. The cable clamp
strainreliefshouldbeusedtosecurethefieldwires.
3.06.3 The switch should be mounted at a
convenient location in a listed outlet box with
approved strain relief. The in-line fuse to be
mounted on appropriate fuse holder.
"On", the output circuit breaker is reset and that
the voltage is at least 12VDC, 24VDC or 48 VDC
(depending on inverter model) at the DC input
terminals. If not, check DC wiring connections
and the line fuse.
5.02.3
Check the connection to the
remote switch, +12VDC, +24VDC or +48VDC
must be present at the violet wire for the unit to
operate. If not, check any in-line fuses in the
+12VDC, +24 or +48 VDC remote switch circuit.
5.02.4 Observe the fault indicating lights
on the front of the inverter.
3.06.4 NOTE: A remote switch, must be
installed to operate the inverter. You may use
several switches or relays in parallel in lieu of one
remote switch.
a) The Low battery light indicates a low
battery condition. Switch the inverter “Off” for 5
seconds, then “On” again. The light coming on
againindicatesafaultinthebatterywiring,battery
capacity and voltage or the fuse.
3.07 120 VAC Output
3.07.1 CAUTION: Do not connect another
source of AC power directly to the output of the
inverter. This will result in damage to the inverter
that is not covered under warranty!
3.07.2 The 120 VAC output is provided at
the GFCI protected female receptacle cord at-
tached to the inverter.
b) The Overload light indicates an output
wiringshortcircuitoraloadthatistoolargeforthe
power rating of the inverter. Switch the inverter
“Off”, remove the short circuit or excessive load
from the output, then switch the inverter back
“On”.
c) TheHightemp. lightindicatestheinverter
has overheated. The unit will automatically turn
back on when it has cooled to 400C (1040F).
5.03 If the above steps are completed and the
inverterstillwillnotoperatesatisfactorilycallAirpax
Dimensions,Inc.forareturnauthorizationnumber.
4. START UP / OPERATION
4.01 To operate the inverter turn the remote
switch to “On”. Makesurethattheoutputbreakeris
reset.
4.02 Turn the switch to “Off” when the inverter
is not in use.
5. TROUBLESHOOTING
5.01 Airpax Dimensions Inc. offers free phone
consultationconcerninginstallationortroubleshoot-
ing. Call the Customer Service Department at:
1-800-553-6418 or 1-651-653-7000
Fax:651-653-7600;
5.02 If the inverter fails to operate correctly,
use the following troubleshooting procedure.
Page 4
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FRONT VIEW
WIRING DIAGRAM FOR MODEL 48Z8NV
Note 1: Remote switch to be connected to +12VDC, +24VDC or +48VDC depending on inverter model.
Output Breaker
Inv. Power
Fig #1
Low battery
Overload
Hightemp.
Dimensions
GFCI
Chassis
Bonding Lug
Remote
On/Off
Battery
Input
A.C.
Output
Ground
Remote
On/Off
Switch
120VAC, 60Hz
Output
Fuse
Fuse
Red (+)
Black (-)
+
-
+
-
+
-
+
-
12VDC
12VDC
12VDC
12VDC
Four batteries in series
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Limited Warranty Terms & Conditions
SHIPPING TERMS
F.O.B. St. Paul Minnesota. Freight prepaid and billed, subject to prior credit approval.
MINIMUM ORDER
$50.00 Net Price
LOSS OR DAMAGE
Loss or damage in transit are the responsibility of the carrier. Any claim should be filed with the delivering transport company. Invoice, Bill of
Lading and Delivery receipt with damage noted therein must accompany any claims for freight damage. Claims for shortage and lost shipments
must be made in writing to Airpax Dimensions, St. Paul, MN within 10 days of date of shipment. Claims not reported within this time frame will
notbehonored.
PRICES
Prices are subject to change without notice. All orders are subject to acceptance at the factory. We reserve the right to invoice prices in effect
at time of shipment.
TERMS
Net 30 days with approved credit, credit card or C.O.D.
RETURN GOODS POLICY
• No returned materials will be accepted without an accompanying Returned Materials Authorization Number (RMA) from the factory.
• Credit will be issued for returned goods to the original purchaser within 60 days of purchase, provided the inverter is returned to Dimensions
unused and not mounted. The amount of credit will be issued at Dimensions discretion based on the condition of the product.
• Customer must be in good standing with Dimensions.
• Inverters that are discontinued, special-order or used are excluded and will not be eligible for credit. Non-inverter items such as cable
assemblies, fuses and fuse holders, will not be eligible for credit
• Support components supplied by Dimensions vendors will be covered under that manufacturer’s credit return policy.
• Customer pays return freight.
PLEASE SHIP AUTHORIZED RETURNS TO: Airpax Dimensions, Inc. / 4467 White Bear Parkway / St. Paul, MN 55110
ReturnFreightPrepaid
LIMITED WARRANTY
Airpax Dimensions, Inc. extends the following warranty to the original purchaser of those goods subject to the qualifications indicated.
Dimensions warrants to the original purchaser for use that the goods or any component thereof manufactured by Dimensions will be free from
defects in workmanship from the date of purchase for the period listed on the product label, provided such goods are installed, maintained
and used in accordance with Dimensions and the original manufacturer’s written instructions.
Components not manufactured by Dimensions, but used within the assembly provided by Dimensions, are subject to the warranty period as
specifiedbytheindividualmanufacturerofsaidcomponent,providedsuchgoodsareinstalled,maintainedandusedinaccordancewithDimensions
and the manufacturer’s written instructions.
Dimensions sole liability and the Purchaser’s sole remedy for a failure of goods under this limited warranty and for any and all claims arising out
of the purchase and use of the goods, shall be limited to the repair or replacement of the goods that do not conform to this warranty. The
return of the purchase price in cash is at the sole discretion of Dimensions.
To obtain repair or replacement service under the limited warranty, the purchaser must contact the factory for a Return Material Authorization
(RMA). Once obtained, send the Return Material Authorization Number along with the defective part or goods to: Airpax Dimensions, Inc., 4467
White Bear Parkway, St. Paul, MN 55110, freight prepaid.
THERE ARE NO EXPRESS WARRANTIES COVERING THESE GOODS OTHER THAN AS SET FORTH ABOVE. THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO ONE YEAR FROM DATE OF PURCHASE.
DIMENSIONS ASSUMES NO LIABILITY IN CONNECTION WITH THE INSTALLATION OR USE OF THE PRODUCT, EXCEPT AS STATED IN THIS
LIMITED WARRANTY. DIMENSIONS WILL IN NO EVENT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
WARNING: LIMITATIONS ON USE
Dimensions products are not intended for use in connection with Life Support Systems and for Avionic use. Dimensions makes no warranty or
representation in connection with their products for such uses.
Page 6
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